Class
Order
Family
Genus
Classification
Nomenclature
Scientific Name:
Azorella polaris (Hombr. & Jacquinot ex Hook.f.) G.M.Plunkett & A.N.Nicolas, Brittonia 69: epublished (2016)
Synonymy:
- ≡ Aralia polaris Hombr. & Jacquinot ex Hook.f., Bot. Antarct. Voy. I. (Fl. Antarct.) Part I, 19 (1844)
- ≡ Stilbocarpa polaris (Hombr. & Jacquinot ex Hook.f.) A.Gray, U.S. Explor. Exped., Phan. 714 (1854)
Description
Herb forming dense masses up to 2 m. diam. and tall. Stems much-branched, arising from thick, fleshy rhizome, up to c. 4 cm. diam. Lvs on semiterete, sparingly hairy petioles up to c. 6 dm. long; sheath amplexicaul, produced above into a foliaceous lobed ligule. Lamina bright green above, paler below; veins prominent on both surfaces, flabellate; 20–35 (from sinus) × 30–45 cm., suborbicular-reniform, somewhat fleshy, clad on both surfaces with slender ± appressed hairs ± 1–2 cm. long or nearly glab. below; margins with ∞ irregular, broadly rounded-triangular, abruptly apiculate or toothed lobules. Umbels compound, axillary and terminal, up to c. 30 cm. diam. on very stout peduncles 10–15 cm. long, bearing patent slender hairs. Primary rays ± 5–10, up to c. 15 cm. long, stout; bracts foliaceous, us. deeply 3–(5)-lobed. Secondary rays ± 10, up to c. 5 cm. long; bracts smaller. Pedicels rather slender, ± 10 mm. long, bracts often entire. Fls ∞, ± 5 mm. diam.; petals waxy, yellow, with purple base. Fr. subglobose, shining, hollowed above, ± (4)–5–(6) mm. diam.
[From: Allan (1961) Flora of New Zealand. Volume 1. as Stilbocarpa polaris (Hombr. & Jacquinot) A.Gray]
Biostatus
Indigenous (Non-endemic)
Phenology
Fruiting: (Oct.)–Nov.–Feb.–(Mar.)
Bibliography
de Lange, P.J.; Norton, D.A.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Hitchmough, R.; Townsend, A.J. 2009: Threatened and uncommon plants of New Zealand (2008 revision). New Zealand Journal of Botany 47: 61–96. [as Stilbocarpa polaris (Hombr. & Jacquinot ex Hook.f.) A.Gray] [Naturally uncommon]
de Lange, P.J.; Norton, D.A.; Heenan, P.B.; Courtney, S.P.; Molloy, B.P.J.; Ogle, C.C.; Rance, B.D. 2004: Threatened and uncommon plants of New Zealand. New Zealand Journal of Botany 42(1): 45–76. [as Stilbocarpa polaris (Hombr. & Jacquinot ex Hook.f.) A.Gray]
de Lange, P.J.; Rolfe, J.R.; Barkla J.W.; Courtney, S.P.; Champion, P.D.; Perrie, L.R.; Beadel, S.N.; Ford, K.A.; Breitwieser, I.; Schönberger, I.; Hindmarsh-Walls, R.; Heenan, P.B.; Ladley, K. 2018: Conservation status of New Zealand indigenous vascular plants, 2017. New Zealand Threat Classification Series. No. 22. [Naturally Uncommon]
de Lange, P.J.; Rolfe, J.R.; Champion, P.D.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Norton, D.A.; Hitchmough, R.A. 2013: Conservation status of New Zealand indigenous vascular plants, 2012. New Zealand Threat Classification Series 3. Department of Conservation, Wellington. [as Stilbocarpa polaris (Hombr. & Jacquinot ex Hook.f.) A.Gray] [Naturally Uncommon]
Gray, A. 1854: United States Exploring Expedition. During the years 1838, 1839, 1840, 1841, 1842. Under the Command of Charles Wilkes, U.S.N. vol. XV. Botany. Phanerogamia by Asa Gray with a Folia Atlas of 100 Plates. Part 1. Philadelphia.
Hooker, J.D. 1844–1845: The Botany of the Antarctic Voyage of H.M. Discovery Ships Erebus and Terror in the Years 1839–1843, under the command of Captain Sir James Clark Ross. I. Flora Antarctica. Part I. Botany of Lord Auckland’s Group and Campbell’s Island. Reeve, Brothers, London.
Plunkett, G.M; Nicolas, A.N. 2017: Assessing Azorella (Apiaceae) and its allies: Phylogenetics and a new classification. Brittonia 69(1): 31–61. [First Online: 15 September 2016]
